*{
	margin: 0;padding: 0; list-style: none;
}
html,body{
	font: normal 13px "microsoft yahei";
	font-family: "microsoft yahei","微软雅黑","sans-serif";
	}
	.fl{float:left}/*向左浮动*/
	.fr{float: right;}/*向右浮动*/
	.clear{clear: both;}/*左右两侧均不允许浮动元素*/
	.oh{overflow: hidden;}/*超出处理*/
	a{text-decoration: none;}/*规定添加到文本的修饰：默认*/
	img{border: none;}
	input,img,select{border-style: none;vertical-align: middle;}
	select{*vertical-align: top;}/*垂直对齐方式*/
	.span2{width: 19.97%;}/*宽度*/
	.span3{width: 29.97%;}
	.span4{width: 39.97%;}
	.span5{width: 49.97%;}
	.span6{width: 59.97%;}
	.span7{width: 69.97%;}
	.span8{width: 79.97%;}
	.span9{width: 89.97%;}
	.span10{width: 100%;}
	.mt5{margin-top: 5px;}/*上外边距*/
	.mt10{margin-top: 10px;}
	.mt15{margin-top: 15px;}
	.mt25{margin-top: 25px;}
	.mb5{margin-bottom: 5px;}/*下外边距*/
	.mb10{margin-bottom: 10px;}
	.mb15{margin-bottom: 15px;}
	.mb25{margin-bottom: 25px;}
	.pt5{padding-top: 5px;}/*上内边距*/
	.pt10{padding-top: 10px;}
	.pt15{padding-top: 15px;}
	.pt20{padding-top:  20px;}
	.pb5{padding-bottom: 5px;}/*下内边距*/
	.pb10{padding-bottom: 10px;}
	.pb15{padding-bottom: 15px;}
	.pb20{padding-bottom: 20px;}
	.pl5{padding-left: 5px;}/*左内边距*/
	.pl10{padding-left: 10px;}
	.pl15{padding-left: 15px;}
	.pl20{padding-left: 20px;}
	.pr5{padding-right: 5px;}/*右内边距*/
	.pr10{padding-right: 10px;}
	.pr15{padding-right: 15px;}
	.pr20{padding-right: 20px;}
	.lh20{line-height: 20px;}/*行高*/
	.lh22{line-height: 22px;}
	.lh25{line-height: 25px;}
	.lh28{line-height: 28px;}
	.lh30{line-height: 30px;}
	.wh60{width: 60px;}
	.wh80{width: 80px;}
	.wh100{width: 100px;}
	/*配色表*/
	.colorwhite{color: white;}